Class StringExtensions

Useful extension methods for String.

Inheritance

Object

StringExtensions

Inherited Members

System.Object.ToString()

Object.Equals(Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

Object.MemberwiseClone()

Namespace: IRM

Assembly: IRM.dll

Syntax

public static class StringExtensions

Methods

AddCheckNumber(String)

Calculates the check number according to the Luhn algoritm and adds it to the end.

Declaration

public static string AddCheckNumber(this string str)

Parameters

String str The string to calculate and add check number for.

Returns

String The original str with the check number added to the end.

AddLengthAndCheckNumber(String)

Calculates the length and the check number according to the Luhn algoritm and adds them to the end.

Declaration

public static string AddLengthAndCheckNumber(this string str)

Parameters

String str The string to calculate and add length and check number for.

Returns

String The original str with the length and check number added to the end.

Remarks

The length calculation will include the check number and will always be one position. For string with greater length than 9 a modules 10 is done. The format of the returned string is [orginal string][length mod 10][check number].

AddQueryString(String, String)

Adds a query part to a string that represents an url, handling ? and & correctly.

Declaration

public static string AddQueryString(this string url, string query)

Parameters

String url The current url.

String query The query to add (name=value)

Returns

String A string with the query added.

AsCollection(String, Char)

Splits a string into a collection of strings.

Declaration

public static ICollection<string> AsCollection(this string str, char separator = ' ')

Parameters

String str The string to split.

Char separator The seperator charachter.

Returns

System.Collections.Generic.ICollection<String> Returns a collection of strings.

ComputeLuhn(String)

Calculates the check number according to the Luhn algoritm.

Declaration

public static string ComputeLuhn(this string number)

Parameters

String number The string to calculate check number for.

Returns

String The check number for number.

ConvertTo(String, Type)

Converts a string to the specified type.

Declaration

public static object ConvertTo(this string str, Type type)

Parameters

String str The String to convert.

System.Type type The type to convert the string to.

Returns

Object An Object that represents the converted text.

Exceptions

System.NotSupportedException The conversion cannot be performed.

ConvertTo<T>(String)

Converts a string to the specified type.

Declaration

public static T ConvertTo<T>(this string str)

Parameters

String str The String to convert.

Returns

T An T that represents the converted text.

Type Parameters

T The type to convert the string to.

Exceptions

System.NotSupportedException The conversion cannot be performed.

CreateSentence(String)

Creates a "normal" sentence from a class name or method name.

Declaration

public static string CreateSentence(this string str)

Parameters

String str The String to create a sentence from.

Returns

String A sentence with whitespace and normalized casing.

Remarks

"This_Is_An_Example" will result in "This is an example".

EnsureLeadingSlash(String)

Ensures that the url string begins with a slash.

Declaration

public static string EnsureLeadingSlash(this string url)

Parameters

String url The url.

Returns

String A string with a slash in the beginning.

EnsureTrailingSlash(String)

Ensures that the url string has a trailing slash.

Declaration

public static string EnsureTrailingSlash(this string url)

Parameters

String url The url.

Returns

String A string with a trailing slash.

Formatera(String, Object[])

Replaces the format item in a string with the representation of a corresponding object in the specified array.

Declaration

public static string Formatera(this string str, params object[] args)

Parameters

String str The composite format string.

Object[] args An object array that contains zero or more objects to format.

Returns

String A copy of str in which the format items have been replaced by the string representation of the corresponding objects in args.

FormateraOrgNr(String)

Formats a string as an organisation number, aka adding the dash before the last four digits.

Declaration

public static string FormateraOrgNr(this string str)

Parameters

String str The string to format.

Returns

String Returns a new string with the dash inserted before the last four digits.

FromBase64(String)

Decodes a string that is encoded with base-64 digits to its equivalent string representation.

Declaration

public static string FromBase64(this string str)

Parameters

String str The string to decode.

Returns

String The string decoded.

Remarks

If str is not base-64 encoded it will be returned as is (not throwing any exception).

IsBase64Encoded(String)

Gets if a string is encoded as Base64 or not.

Declaration

public static bool IsBase64Encoded(this string str)

Parameters

String str The string to check if it is base 64 encoded.

Returns

Boolean true if the string is base 64 encoded; otherwise false.

IsEpost(String)

Gets if a string is an valid email address.

Declaration

public static bool IsEpost(this string str)

Parameters

String str The string to check if it is an email address.

Returns

Boolean true if the string represents an valid email address; otherwise false.

IsLuhn(String)

Gets if a string is valid according to the Luhn algoritm, for example a social security number.

Declaration

public static bool IsLuhn(this string str)

Parameters

String str The string to check if it is valid according to the Luhn aloritm.

Returns

Boolean true if the string is valid according to the Luhn algoritm; otherwise false.

IsOnlyDigits(String)

Gets if the string only contains digits.

Declaration

public static bool IsOnlyDigits(this string str)

Parameters

String str

Returns

Boolean

IsSwedishOrganizationalNumber(String)

Gets if a string is a valid swedish organizational number.

Declaration

public static bool IsSwedishOrganizationalNumber(this string str)

Parameters

String str The string to check if it is a swedish organizational number.

Returns

Boolean true if the string represents a valid swedish organizational number; otherwise false.

IsSwedishPersonnummer(String)

Gets if a string is a valid swedish person number.

Declaration

public static bool IsSwedishPersonnummer(this string str)

Parameters

String str The string to check if it is a swedish person number.

Returns

Boolean true if the string represents a valid swedish person number; otherwise false.

IsUrl(String)

Gets if a string is an valid URL.

Declaration

public static bool IsUrl(this string str)

Parameters

String str The string to check if it is an URL.

Returns

Boolean true if the string represents an valid URL; otherwise false.

IsVatNumber(String)

Gets if a string is a valid VAT number.

Declaration

public static bool IsVatNumber(this string str)

Parameters

String str The string to check if it is a VAT number.

Returns

Boolean true if the string represents a valid VAT number; otherwise false.

KontinentAsText(Kontinenter)

Ger kontinentens namn utifrån Kontinenter.

Declaration

public static string KontinentAsText(this Kontinenter kontinent)

Parameters

Kontinenter kontinent Kontinenter.

Returns

String Landets namn enligt användarens språk.

KontinentAsText(Kontinenter, CultureInfo)

Ger kontinentens namn utifrån Kontinenter.

Declaration

public static string KontinentAsText(this Kontinenter kontinent, CultureInfo culture)

Parameters

Kontinenter kontinent Kontinenter.

System.Globalization.CultureInfo culture An object that represents the culture for which the kontinent is localized.

Returns

String Kontinentens namn enligt användarens språk.

KorrigeraNull(String)

Declaration

public static string KorrigeraNull(this string str)

Parameters

String str

Returns

String

LandkodAsText(String)

Ger landets namn utifrån landkoden (enligt ISO-3166-1).

Declaration

public static string LandkodAsText(this string landKod)

Parameters

String landKod Landkoden enligt ISO-3166-1.

Returns

String Landets namn enligt användarens språk.

LandkodAsText(String, CultureInfo)

Ger landets namn utifrån landkoden (enligt ISO-3166-1).

Declaration

public static string LandkodAsText(this string landKod, CultureInfo culture)

Parameters

String landKod Landkoden enligt ISO-3166-1.

System.Globalization.CultureInfo culture An object that represents the culture for which the landKod is localized.

Returns

String Landets namn enligt användarens språk.

RemoveLeadingSlash(String)

Ensures that the url string does not begin with a slash.

Declaration

public static string RemoveLeadingSlash(this string url)

Parameters

String url The url.

Returns

String A string without a slash in the beginning.

RemoveTrailingSlash(String)

Ensures that the url string does not have a trailing slash.

Declaration

public static string RemoveTrailingSlash(this string url)

Parameters

String url The url.

Returns

String A string without a trailing slash.

SplitCsv(String, Char)

Splits a comma seperated string into a list of strings.

Declaration

public static List<string> SplitCsv(this string csv, char separator = ',')

Parameters

String csv The comma seperated string.

Char separator The seperator charachter.

Returns

List<String> Returns a list of strings.

ToBase64(String)

Encodes a string to its equivalent string representation that is encoded with base-64 digits.

Declaration

public static string ToBase64(this string str)

Parameters

String str The string to encode.

Returns

String The string encoded with base-64 digits.